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Q: what is the wavelength of the unit in nanometer?

gevraagd door Jolog op 2020-08-22 08:25:59

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2021-10-21 09:48:50 Nuttig (0)
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Q: Does this unit has proof that it can kill 99.99% germs

gevraagd door Jolog op 2020-08-22 08:29:33

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2021-10-21 09:47:21 Nuttig (0)
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